Examlex
The number of standard deviations that a value x is from the mean is a _____.
SA Node Block
A condition where the electrical impulses generated by the sinoatrial (SA) node are partially or completely blocked before they reach the atria, affecting heart rhythm.
Atrial Tachycardia
Atrial Tachycardia is a type of heart rhythm abnormality that originates from the atria and results in a faster than normal heart rate.
Cardiac Arrhythmia
An irregular heartbeat that can be too fast, too slow, or erratic, disrupting the heart's normal rhythm.
QRS Complex
A series of waves in an electrocardiogram representing ventricular depolarization preceding the contraction of the heart ventricles.
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